zebra/zebra_ns.h

   1 /*
   2  * Zebra NS header
   3  * Copyright (C) 2016 Cumulus Networks, Inc.
   4  *                    Donald Sharp
   5  *
   6  * This file is part of Quagga.
   7  *
   8  * Quagga is free software; you can redistribute it and/or modify it
   9  * under the terms of the GNU General Public License as published by the
  10  * Free Software Foundation; either version 2, or (at your option) any
  11  * later version.
  12  *
  13  * Quagga is distributed in the hope that it will be useful, but
  14  * WITHOUT ANY WARRANTY; without even the implied warranty of
  15  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  16  * General Public License for more details.
  17  *
  18  * You should have received a copy of the GNU General Public License
  19  * along with Quagga; see the file COPYING.  If not, write to the Free
  20  * Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
  21  * 02111-1307, USA.
  22  */
  23 #if !defined(__ZEBRA_NS_H__)
  24 #define __ZEBRA_NS_H__
  25
  26 #ifdef HAVE_NETLINK
  27 /* Socket interface to kernel */
  28 struct nlsock
  29 {
  30   int sock;
  31   int seq;
  32   struct sockaddr_nl snl;
  33   const char *name;
  34 };
  35 #endif
  36
  37 /* NetNS ID type. */
  38 typedef u_int16_t ns_id_t;
  39
  40 struct zebra_ns
  41 {
  42   /* net-ns name.  */
  43   char name[VRF_NAMSIZ];
  44
  45   /* Identifier. */
  46   ns_id_t ns_id;
  47
  48 #ifdef HAVE_NETLINK
  49   struct nlsock netlink;     /* kernel messages */
  50   struct nlsock netlink_cmd; /* command channel */
  51   struct thread *t_netlink;
  52 #endif
  53
  54   struct route_table *if_table;
  55
  56 #if defined (HAVE_RTADV)
  57   struct rtadv rtadv;
  58 #endif /* HAVE_RTADV */
  59 };
  60
  61 #define NS_DEFAULT 0
  62 #define NS_UNKNOWN UINT16_MAX
  63
  64 struct zebra_ns *zebra_ns_lookup (ns_id_t ns_id);
  65
  66 int zebra_ns_init (void);
  67 int zebra_ns_enable (ns_id_t ns_id, void **info);
  68 int zebra_ns_disable (ns_id_t ns_id, void **info);
  69 #endif